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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Revenue: |  |  |
Total revenues | $ 102,032 | $ 93,178 | $ 106,527
Cost of revenue: |  |  |
Total cost of revenues | 86,470 | 84,787 | 86,083
Gross profit | 15,562 | 8,391 | 20,444
Operating expenses: |  |  |
Research and development, net | 74 | 553 | 731
Selling and marketing | 5,259 | 4,913 | 4,974
General and administrative | 8,251 | 8,559 | 9,409
Other expenses (income) |  | (4) | 53
Total operating expenses | 13,584 | 14,021 | 15,167
Operating income (loss) | 1,978 | (5,630) | 5,277
Financial expenses | (1,299) | (1,569) | (1,132)
Financial income | 848 | 1,467 | 794
Income (loss) before taxes on income (tax benefit) | 1,527 | (5,732) | 4,939
Taxes on income (tax benefit) | 589 | (1,464) | 2,333
Income (loss) before share of equity investment | 938 | (4,268) | 2,606
Share in results of equity investment of affiliated companies | (132) | (140) | (210)
Net income (loss) | $ 806 | $ (4,408) | $ 2,396
Net income (loss) per share basic and diluted | $ 0.1 | $ (0.5) | $ 0.27
Weighted average number of shares outstanding: |  |  |
Basic | 8,874,696 | 8,864,885 | 8,848,028
Diluted | 8,874,696 | 8,864,885 | 8,909,072
Product [Member] |  |  |
Revenue: |  |  |
Total revenues | $ 25,019 | $ 23,151 | $ 36,053
Cost of revenue: |  |  |
Total cost of revenues | 21,557 | 23,807 | 28,096
Service [Member] |  |  |
Revenue: |  |  |
Total revenues | 77,013 | 70,027 | 70,474
Cost of revenue: |  |  |
Total cost of revenues | $ 64,913 | $ 60,980 | $ 57,987

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